6644052452 has 12 divisors (see below), whose sum is σ = 11663772540. Its totient is φ = 3311546016.

The previous prime is 6644052451. The next prime is 6644052479. The reversal of 6644052452 is 2542504466.

It can be written as a sum of positive squares in 2 ways, for example, as 259403236 + 6384649216 = 16106^2 + 79904^2 .

It is not an unprimeable number, because it can be changed into a prime (6644052451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2618627 + ... + 2621162.

It is an arithmetic number, because the mean of its divisors is an integer number (971981045).

Almost surely, 2^6644052452 is an apocalyptic number.

It is an amenable number.

6644052452 is a deficient number, since it is larger than the sum of its proper divisors (5019720088).

6644052452 is a wasteful number, since it uses less digits than its factorization.

6644052452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240110 (or 5240108 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The square root of 6644052452 is about 81511.0572376533. The cubic root of 6644052452 is about 1879.9415678987.

The spelling of 6644052452 in words is "six billion, six hundred forty-four million, fifty-two thousand, four hundred fifty-two".